<!-- 首页 -->
<template>
  <el-row class="home" :gutter="20">
    <el-col :span="8">
      <el-card shadow="hover">
        <div class="user">
          <img :src="userImg" />
          <div class="userinfo">
            <p class="name">Admin</p>
            <p class="access">超级管理员</p>
          </div>
        </div>
        <div class="loginInfo">
          <p>上次登录时间：<span>2019-10-20</span></p>
          <p>上次登录地点：<span>北京</span></p>
        </div>
      </el-card>
      <el-card style="height: 460px ; margin-top: 20px">
        <el-table :data="tableData">
          <el-table-column show-overflow-tooltip v-for="(val, key) in tableLabel" :key="key" :prop="key" :label="val"></el-table-column>
        </el-table>
      </el-card>
    </el-col>
    <el-col :span="16">
      <div class="num">
        <el-card v-for="(item, index) in countData" :key="index" :body-style="{ display: 'flex', padding: '0px' }" shadow="hover">
          <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
          <div class="detail">
            <p class="num">￥ {{ item.value }}</p>
            <p class="txt">{{ item.name }}</p>
          </div>
        </el-card>
      </div>
      <el-card shadow="hover" style="height: 280px">
        <echart style="height: 280px" :chartData="echartData.order"></echart>
      </el-card>
      <div class="graph">
        <el-card shadow="hover" style="height: 260px">
          <echart :chartData="echartData.user" style="height: 240px"></echart>
        </el-card>
        <el-card shadow="hover" style="height: 260px">
          <echart :chartData="echartData.video" style="height: 240px" :isAxisChart="false"> </echart>
        </el-card>
      </div>
    </el-col>
  </el-row>
</template>

<script>
// 导入的其他文件 例如：import moduleName from 'modulePath';
import Echart from 'components/EChart';
import * as HomeApi from 'apis/home';
export default {
  //import所引入的组件注册
  components: { Echart },

  data() {
    return {
      // 用户头像
      userImg: require('@/assets/logo.png'),
      // 统计结果
      countData: [],
      // 表格标签
      tableLabel: {},
      // 表格数据
      tableData: [],
      // 图像数据
      echartData: {
        order: {
          xData: [],
          series: []
        },
        user: {
          xData: [],
          series: []
        },
        video: {
          series: []
        }
      }
    };
  },

  //方法集合
  methods: {
    initData() {
      HomeApi.getCountData().then(res => {
        this.countData = res.data;
      });
      HomeApi.getTableLabel().then(res => {
        this.tableLabel = res.data;
      });
      HomeApi.getTableData().then(res => {
        this.tableData = res.data;
      });
      HomeApi.getEchartData().then(res => {
        res = res.data;
        this.processData(res);
      });
    },

    //处理图形数据
    processData(res) {
      // 订单折线图
      const order = res.data.orderData;
      this.echartData.order.xData = order.date;
      // 第一步取出series中的name部分——键名
      let keyArray = Object.keys(order.data[0]);
      // 第二步，循环添加数据
      keyArray.forEach(key => {
        this.echartData.order.series.push({
          name: key === 'wechat' ? '小程序' : key,
          data: order.data.map(item => item[key]),
          type: 'line'
        });
      });
      // 用户柱状图
      this.echartData.user.xData = res.data.userData.map(item => item.date);
      this.echartData.user.series.push({
        name: '新增用户',
        data: res.data.userData.map(item => item.new),
        type: 'bar'
      });
      this.echartData.user.series.push({
        name: '活跃用户',
        data: res.data.userData.map(item => item.active),
        type: 'bar',
        barGap: 0
      });
      // 视频饼图
      this.echartData.video.series.push({
        data: res.data.videoData,
        type: 'pie'
      });
    }
  },

  //创建完成 访问当前this实例
  created() {
    this.initData();
  }
};
</script>

<style lang="scss" scoped>
//@import url(); 引入公共css类
// @import '~@/assets/scss/home';
.home {
  .user {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ccc;
    padding-bottom: 20px;
    margin-bottom: 20px;
    img {
      width: 150px;
      height: 150px;
      border-radius: 50%;
      margin-right: 40px;
    }

    .userinfo {
      .name {
        font-size: 32px;
      }
      .access {
        color: #999999;
      }
    }
  }

  .loginInfo {
    p {
      line-height: 28px;
      font-size: 14px;
      color: #999999;
      span {
        color: #666666;
        margin-left: 60px;
      }
    }
  }
  .num {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    .el-card {
      width: 32%;
      margin-bottom: 20px;
    }
    .icon {
      width: 80px;
      height: 80px;
      line-height: 80px;
      font-size: 30px;
      color: #fff;
      text-align: center;
    }

    .detail {
      margin-left: 20px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      .num {
        font-size: 30px;
        margin-bottom: 10px;
      }
      .txt {
        font-size: 14px;
        text-align: center;
        color: #999999;
      }
    }
  }
  .graph {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    .el-card {
      width: 48%;
    }
  }
}
</style>
